Datasheet Details
Part number
SY3408
Manufacturer
TPS
File Size
898.81 KB
Description
Bluetooth headset charging case solution
Datasheet
SY3408 Datasheet
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Full PDF Text Transcription (Reference)
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SY3408
SY3408 IC,、LED 、D+、D,。 , 。
SY3408SOP8。
TWS /
◆ ,,、 MOS
◆ 0.2A ◆ //,
◆ C/10 , ◆ ,VINDPM:4.6V ◆ 4.2V,±1% ◆ ◆ , ◆ 0.5A ◆ :3.5uA ◆ 、、、 ◆ 2LED ◆ KEY,KEY
,KEY ◆ D+、D-
L1 2.2uH C3 1uF
C1 1uF
U1 SY3408
LX
VOUT
GND
KEY
BAT
D-
VIN
D+
C2 10uF
R1 15K S1
DLED2
DLED1
VIN BAT
SY3408 Rev1.3
http://www.tkplusemi.com
1 / 12
SY3408
LX 1 GND 2 BAT 3 VIN 4
8 VOUT 7 KEY 6 D5 D+
LX GND BAT VIN D+
DKEY VOUT
1 2 3 4 5 6 7 8
I/O
I
BOOST
-
-
I
O
D+
O
D-
I/O
、LED
O
SY3408 Rev1.3
http://www.tkplusemi.com
2 / 12
VIN
SY3408
SY3408 - □ □
SY3408-SR
SOP8
(R:) (S:SO P8)
,
500
()
4000
1V
ICH
VOUT
1V
BAT
KEY
KEY
GND
V_ICH_FB
1V V_BAT_FB
0.55V V_T_FB
1V VDPM_FB
Driver
LX
D-
Protocol
D+
SY3408 Rev1.3
http://www.tkplusemi.